As of today there are no licensing requirements to operate a Crane. Please note this could change at any time. Below are three links that can help keep you up to date for any changes to the Sate laws.
Oklahoma truck bed manufacturer cited for safety and health violations
Big Tex Trailer Manufacturing Inc., a truck bed fabricator in Kingston, Okla., was cited for violations after an OSHA inspection found workers exposed to safety and health hazards. Among the violations cited, the company failed to provide workers with welding protections and allowed workers to operate hydraulic press brakes without machine guards in place.
*It is essential that you check with your local government and confirm that the information listed above is still good today. This information
should only be used as a tool to help you figure out what type of license you need to operate certain types of equipment.